Skip to content
OpenAdvisories
Medium RLSA-2021:4222 1 CVE

Moderate: container-tools:3.0 security and bug fix update

Published Nov 9, 2021 · Updated Feb 5, 2026

Summary

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.

Security Fix(es):

* buildah: Host environment variables leaked in build container when using chroot isolation (CVE-2021-3602)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.

Fixed packages 46

ReleasePackageFixed in
Rocky Linux · 8 buildah 0:1.19.9-1.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 cockpit-podman 0:29-2.module+el8.7.0+1076+9b1c11c1
Rocky Linux · 8 cockpit-podman 0:29-2.module+el8.4.0+556+40122d08
Rocky Linux · 8 cockpit-podman 0:29-2.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 cockpit-podman 0:29-2.module+el8.6.0+783+10209741
Rocky Linux · 8 conmon 2:2.0.26-1.module+el8.4.0+558+7340b765
Rocky Linux · 8 conmon 2:2.0.26-1.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 conmon 2:2.0.26-1.module+el8.6.0+783+10209741
Rocky Linux · 8 container-selinux 2:2.167.0-1.module+el8.4.0+653+ad26b47d
Rocky Linux · 8 container-selinux 2:2.167.0-1.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 containernetworking-plugins 0:0.9.1-1.module+el8.7.0+1076+9b1c11c1
Rocky Linux · 8 containernetworking-plugins 0:0.9.1-1.module+el8.4.0+556+40122d08
Rocky Linux · 8 containernetworking-plugins 0:0.9.1-1.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 containernetworking-plugins 0:0.9.1-1.module+el8.6.0+783+10209741
Rocky Linux · 8 criu 0:3.15-1.module+el8.7.0+1076+9b1c11c1
Rocky Linux · 8 criu 0:3.15-1.module+el8.4.0+556+40122d08
Rocky Linux · 8 criu 0:3.15-1.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 criu 0:3.15-1.module+el8.6.0+783+10209741
Rocky Linux · 8 crun 0:0.18-2.module+el8.4.0+556+40122d08
Rocky Linux · 8 crun 0:0.18-2.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 fuse-overlayfs 0:1.4.0-2.module+el8.7.0+1076+9b1c11c1
Rocky Linux · 8 fuse-overlayfs 0:1.4.0-2.module+el8.4.0+558+7340b765
Rocky Linux · 8 fuse-overlayfs 0:1.4.0-2.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 fuse-overlayfs 0:1.4.0-2.module+el8.6.0+783+10209741
Rocky Linux · 8 libslirp 0:4.3.1-1.module+el8.7.0+1076+9b1c11c1
Rocky Linux · 8 libslirp 0:4.3.1-1.module+el8.4.0+556+40122d08
Rocky Linux · 8 libslirp 0:4.3.1-1.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 libslirp 0:4.3.1-1.module+el8.6.0+783+10209741
Rocky Linux · 8 oci-seccomp-bpf-hook 0:1.2.0-3.module+el8.7.0+1076+9b1c11c1
Rocky Linux · 8 oci-seccomp-bpf-hook 0:1.2.0-3.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 oci-seccomp-bpf-hook 0:1.2.0-3.module+el8.6.0+783+10209741
Rocky Linux · 8 podman 0:3.0.1-6.module+el8.4.0+558+7340b765
Rocky Linux · 8 podman 0:3.0.1-6.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 runc 0:1.0.0-72.rc92.module+el8.5.0+661+c0df01f6
Rocky Linux · 8 runc 0:1.0.0-72.rc92.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 skopeo 1:1.2.2-10.module+el8.4.0+556+40122d08
Rocky Linux · 8 skopeo 1:1.2.2-10.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 slirp4netns 0:1.1.8-1.module+el8.7.0+1076+9b1c11c1
Rocky Linux · 8 slirp4netns 0:1.1.8-1.module+el8.4.0+537+38cf4e42
Rocky Linux · 8 slirp4netns 0:1.1.8-1.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 slirp4netns 0:1.1.8-1.module+el8.6.0+783+10209741
Rocky Linux · 8 toolbox 0:0.0.99-1.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 udica 0:0.2.4-1.module+el8.7.0+1076+9b1c11c1
Rocky Linux · 8 udica 0:0.2.4-1.module+el8.4.0+556+40122d08
Rocky Linux · 8 udica 0:0.2.4-1.module+el8.5.0+709+440d5e7e
Rocky Linux · 8 udica 0:0.2.4-1.module+el8.6.0+783+10209741

Vulnerabilities 1

  • Medium 5.5

    Buildah processes using chroot isolation may leak environment values to intermediate processes

    An information disclosure flaw was found in Buildah, when building containers using chroot isolation. Running processes in container builds (e.g. Dockerfile RUN commands) can access environment variables from parent and grandparent processes. When run in a co…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1969264
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1990406